On Mon, 2012-05-14 at 07:00 +0200, Hiroshi Doyu wrote:
> Hi Joe,
>
> Joe Perches <joe@xxxxxxxxxxx> wrote @ Sat, 12 May 2012 17:31:35 +0200:
>
> > On Sat, 2012-05-12 at 12:52 +0200, Hiroshi Doyu wrote:
> > > Hi,
> > >
> > > An unclosed "if" statement in the MACRO seems a bit risky, but I don't
> > > have any better/simple solution for this, ATM. Is there any alternative?
> >
> > maybe something like:
> >
> > #define dev_ratelimited_level(dev, level, fmt, ...)
> > do {
> > static DEFINE_RATELIMIT_STATE(_rs, \
> > DEFAULT_RATELIMIT_INTERVAL, \
> > DEFAULT_RATELIMIT_BURST); \
> > if (__ratelimit(&_rs)) \
> > dev_##level(fmt, ##__VA_ARGS__); \
> > } while (0)
> >
> > #define dev_emerg_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, emerg, fmt, ##__VA_ARGS__)
> > #define dev_alert_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, alert, fmt, ##__VA_ARGS__)
> > #define dev_crit_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, crit, fmt, ##__VA_ARGS__)
> > #define dev_err_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, err, fmt, ##__VA_ARGS__)
> > #define dev_warn_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, warn, fmt, ##__VA_ARGS__)
> > #define dev_notice_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, notice, fmt, ##__VA_ARGS__)
> > #define dev_info_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, info, fmt, ##__VA_ARGS__)
> > #define dev_dbg_ratelimited(dev, fmt, ...) \
> > dev_ratelimited_level(dev, dbg, fmt, ##__VA_ARGS__)
>
> "dev" isn't handled separately with __VA_ARGS__, and failed to build
> as below:
>
> Example:
> dev_err_ratelimited(&pdev->dev, "%d\n", __LINE__);
>
> After preprocessded:
> do { ... if (___ratelimit(&_rs, __func__)) dev_err("%d\n", 18); } while (0);
>
Sorry, I was just typing in the email client and
I missed the "dev" argument.
Add "dev" to the dev_##level statement like:
#define dev_ratelimited_level(dev, level, fmt, ...) \
do { \
static DEFINE_RATELIMIT_STATE(_rs, \
DEFAULT_RATELIMIT_INTERVAL, \
DEFAULT_RATELIMIT_BURST); \
if (__ratelimit(&_rs)) \
dev_##level(dev, fmt, ##__VA_ARGS__); \
} while (0)
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